Headset



FIG. 1 is a top, left side perspective view of a headset showing our new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof; and,

FIG. 7 is a bottom plan view of the thereof.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

We claim the ornamental design for a headset, as shown and described. 